Yellow sapphire and diamond ring

The cushion-shaped yellow sapphire weighing 17.59 carats, flanked by 2 half-moon-shaped diamonds weighing approximately 1.10 carats, mounted in 18 karat white and yellow gold, size 7. Estimate 10,000—15,000 USD

NOTE: Accompanied by GIA report no. 17189709 stating that that the yellow sapphire is natural, no indications of heating.

Sotheby's. Important Jewels. 04 Feb 09. New York www.sothebys.com photo courtesy Sotheby's